A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5920-00-453-4377
NSN 6145-01-164-2380
NSN 5965-01-449-9343
NSN 6650-01-003-9355
NSN 6240-01-158-6601
NSN 5990-00-923-4316
NSN 5915-01-649-9834
NSN 5930-01-576-9314
NSN 6105-01-261-0460
NSN 2925-00-221-4977
NSN 6150-01-004-0030
NSN 5920-01-527-5388